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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.43  No.8 (2002)  >  pp.2006-2016

MATERIALS TRANSACTIONS
<<Previous article Vol.43  No.8 (2002)   pp.2006 - 2016 Next article>>

Developments of Aluminum- and Magnesium-Based Nanophase High-Strength Alloys by Use of Melt Quenching-Induced Metastable Phase

Akihisa Inoue1), Hisamichi Kimura1) and Kenji Amiya1)
1) Institute for Materials Research, Tohoku University

The stabilization of supercooled metallic liquid occurs for a number of alloys where the constituent elements have the following three rules, i.e., multi-component of more than three elements, significant mismatches of atomic size above 12% among the main three elements, and negative heats of mixing among their main elements. The use of the stabilized supercooled liquid has enabled us to synthesize a number of novel advanced metallic materials. In this review, we present the alloy components, fabrication processings, structures, mechanical properties and applications of high-strength Al- and Mg-based alloys with glassy, nanocrystalline or nanoquasicrystalline phase which were developed on the basis of the concept of the utilization of stabilized supercooled liquid for the last one decade.


Keyword:
aluminum base alloy, magnesium base alloy, nanocrystalline phase, nanoquasicrystalline phase, new long-periodic hexagonal phase, rapid solidification, powder metallurgy, mechanical property

Received: February 21, 2002
Accepted: June 04, 2002 , Published online: September 06, 2005
Copyright (c) 2005 The Japan Institute of Metals

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